Thin strip profile control capability of roll crossing and

Thin strip profile control capability of roll crossing and shifting in cold rolling mill Aljabri A Jiang ZY Wei DB Wang XD Tibar H Permalink 2014 01 07 Closed Access Filename Description Size; MSF773 77470 Thin strip profile control capability of roll crossing and shifting inpdf Published version 24 Adobe PDF View/Open

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Fabrication and angle compensation analysis of skew

Fabrication and angle compensation analysis of skew rolling mill Jie Wang [1 3] as well as work rolls crossing and shifting (RCS) [4] mills have been introduced and and on the strip profile control capability of the roll crossing mill[9] and so forth

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Highest performing Hot Strip Mills | Primetals Technologies

Primetals Technologies have been a pioneer in the field ever since we developed the world's first Work Roll Shift Mill and have enhanced this technology based on our extensive experience in steel industry Primetals Technologies utilizes the Work Roll Shifting at hot strip rolling field for different two purposes Dispersion of wear of work roll

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High Quality Steel Rolling | Theory and Practice | Taylor

backup roll and work roll This may not be true when utilizing rolls with special configurations such as CVC rolls [15] UPC rolls [16] or tapered rolls [17] In these cases the model must allow for a possible interface mismatch (Fig 186) Another limitation that the model calculates the influence coefficients based on equations for

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Figure 3 | Improving Thin Strip Profile Using Work Roll

Improving Thin Strip Profile Using Work Roll Cross and Work Roll Shifting Methods in Cold Strip Rolling Figure 3 The schematic of (a) work roll shifting and (b) work roll crossing

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Analysis of Thin Strip Profile during Asymmetrical Cold

Strip profile control during rolling is required to assure the dimensional quality of rolled thin strip is acceptable for customers Throughout rolling the strip profile is controlled by using the advanced shape control rolling mill such as the combination of work roll crossing and shifting during asymmetrical rolling the one of the valuable methods to control the strip profile quality in

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On line flatness measurement of large steel plates using

A flatness disturbance can be produced at a hot strip mill by a mismatch between the work roll profile and the incoming strip thickness profile This will produce a non uniform reduction across the width of the strip leading to a non uniform elongation of the strip in the direction of rolling (Heaven 1988)

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ISSN 1992 8645 ANALYSIS OF WORK ROLL THERMAL

the work roll thermal contour while the shifting strategy shows little influence Keywords Hot rolling Work roll Thermal behavior Genetic Algorithm 1 INTRODUCTION A 1450mm hot strip rolling production line has produced thin strips with considerable good quality soon after its operation in 2008 To further improve

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Abdulrahman Aljabri | PhD | University of Wollongong

In order to analyze the effects of cold rolling parameters such as the crossing angle and axial shifting value of work rolls on the strip profile extensive tests were carried out on a 4 high

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High Quality Steel Rolling | Theory and Practice | Taylor

backup roll and work roll This may not be true when utilizing rolls with special configurations such as CVC rolls [15] UPC rolls [16] or tapered rolls [17] In these cases the model must allow for a possible interface mismatch (Fig 186) Another limitation that the model calculates the influence coefficients based on equations for

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Reese Towpower Sure Step Self Stick Rubber Mat 1041200

Reese Towpower sure step self stick rubber mat makes a non skid surface for trailer wheel wells steps ramps or anywhere a non skid surface is needed

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US4898014A Roll shifting system for rolling mills

In the past 4 Hi mills having work roll shifting have generally incorporated two different designs with reference to the roll balance and roll bending piston cylinder assemblies provided to maintain the upper work roll away from the lower work roll when no strip is between the rolls and for exerting a positive or negative force in the vertical

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Analysis of thin strip profile by work roll crossing and

Aljabri A Jiang Z & Wei D (2015) Analysis of thin strip profile by work roll crossing and shifting in asymmetrical cold rolling International Journal of Modern Physics B 29

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Mechanics of roll edge contact in cold rolling of thin strip

The rolling force intermediate force between the work roll and backup roll edge contact force the strip shape and profile after rolling and the length of roll edge contact for cold rolling of thin strip are analysed Download Download full size image; Fig 2 Work rolls edge contact for cold rolling of thin strip

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Analysis of thin strip profile by work roll crossing and

Abstract In order to analyze the effects of cold rolling parameters such as the crossing angle and axial shifting value of work rolls on the strip profile extensive tests were carried out on a 4 high rolling mill equipped with a work roll crossing and shifting system

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A kind of generalized fuzzy C means clustering model and

A kind of generalized fuzzy C means clustering model and its applications in mining steel strip flatness signal TANG CHENG LONG WANG SHI GANG XU WEI cold rolling thin strip is a typically complex process which is characterized immediate roll and work roll and between the immediate roll and backup roll The lower part of

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Design and function of CVC rolls as a flatness actuator in

When cold rolling thin steel strips with high tensile strength reversible cluster mills are used find an optimal CVC shape on the shifting inner second intermediate roll in the 20 high Work roll diameter between 50 75 mm 2 First intermediate roll (tapered) diameter between 90 105 mm

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Thin Strip Profile Control Capability of Roll Crossing and

Nov 01 2013· The influences of rolling process parameters such as the work roll cross angle and work roll shifting on the strip shape and profile of thin strip are recognised throughout this study The results show that the roll crossing and shifting is efficient way to control the strip shape

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Analysis of thin strip profile by work roll CORE

Analysis of thin strip profile by work roll crossing and shifting in asymmetrical cold rolling By Abdulrahman Aljabri Zhengyi Jiang and Dongbin Wei Abstract In order to analyze the effects of cold rolling parameters such as the crossing angle and axial shifting value of work rolls on the strip profile extensive tests were carried out on a

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Backup Roll Rolling Mills | Products & Suppliers

VCR back up roll and negative work roll contour design for solving roll spalling and transfer bar profile problems in hot strip mill Since the invention of VCR in the 1980s it has been widely used on back up rolls in cold strip mills in China22 However its application on a hot strip mill back up roll is still under development and much work

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"Rolling Mill Optimization Using an Accurate and Rapid New

The associated static deflection model enables computation of the thickness profile and corresponding flatness of the rolled strip Accurate methods of predicting the strip thickness profile and strip flatness are important in rolling mill design rolling schedule set up control of mill flatness actuators and optimization of ground roll profil

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Finite element Analysis of Thin Strip Profile in

Finite element Analysis of Thin Strip Profile in Asymmetric Cold Rolling Considering Work Roll Crossing and Shifting By Abdulrahman Aljabri Zhengyi Jiang and Dongbin Wei Abstract element modelling Abstract Cold rolled thin strip has received a great deal of attention through technological and theoretical progress in the rolling process

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Analysis of thin strip profile during asymmetrical cold

Abstract Strip profile control during rolling is required to assure the dimensional quality of rolled thin strip is acceptable for customers Throughout rolling the strip profile is controlled by using the advanced shape control rolling mill such as the combination of work roll crossing and shifting during asymmetrical rolling the one of the valuable methods to control the strip profile

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Wear Compensation Model Based on the Theory of Archard and

Aiming at low accuracy control of the flatness measuring system in cold rolling process the wear of measuring rings of the flatness measuring roll is an important factor which affects the flatness measurement accuracy and the strip quality When the radial pressure and the width of the strip change the wear thickness of the different measuring rings is also changed which seriously

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